User`s manual
ECM-5716 Series
ECM-5716 Series User’s Manual 29
3.7.11 Audio Connector (JAUDIO)
Signal PIN Signal
Mic_In 1 2
AREF
AUDGND 3 4
AUDGND
Line_Out L 5 6 Line_Out R
SPK R 7 8 SPK L
Line_In L 9 10
Line_In R
AUDGND 11
12
Reserved
GND
13
14
Reserved
GND
15
16
Reserved
3.7.12 Signal Description – Audio Connector (JAUDIO)
SPK L/R Left and right speaker output. These are the speaker outputs directly from the speaker
amplifier.
Mic_In The MIC signal i
s used for microphone input. This input is fed to the left microphone
channel.
Line-In L/R Left and right line in signals.
Line-Out L/R
Left and right line out signals. Both signals are capacitor coupled and should have GND as
return.
3.7.13 LCD Inverter Connector (JBKL)
Signal PIN
+12V 1
GND 2
ENBKL
3
Bright 4
VCC 5
3.7.14 Signal Description – LCD Inverter Connector (JBKL)
Bright Bright Adjust
ENBKL LCD backlight ON/OFF control signal.